code: def forward(self, X):
      return sparsemax_bisect(
          X, dim=self.dim, n_iter=self.n_iter, training=self.training
      )
  
imports: import torch
  import torch.nn
  from torch.autograd import Function
label_desc: Use image node_id 2 for calling the SparsemaxBisect obj's underlying member method code with example usage: obj.forward(X) and returns: sparsemax_bisect